SUREKHA, K; REDDY, M NARAYANA; KUMAR, R M; KUMAR, C VIJAY. Effect of nitrogen sources and timing on yield and nutrient uptake of hybrid rice. The Indian Journal of Agricultural Sciences, Delhi, India, v. 69, n. 7, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/26835. Acesso em: 28 oct. 2025.